作者单位: | [1]School of Astronomy & Space Science, Nanjing University, Nanjing 210093, China [2]Key Laboratory of Modem Astronomy & Astrophysics, Nanjing University, Nanjing 210093,China [3]Yunnan Astronomical Observatory / National Astronomical Observatories, Chinese Academy ofSciences, Kunming 650011, China [4]Nanjing Institute of Astronomical Optics and Technology, Chinese Academy of Sciences,Nanjing 210042, China |